create a table through pl/sql code block

i am using oracle forms, and i want to create a table and then drop it inside the pl/sql code in a 'when-button-pressed' trigger. but when i am writing the syntax, it gives a compilation error :

'encountered the symbol create when expecting the following
begin case declare exit for goto if loop mod null pragma.......'

Is there any way i can create and drop a table from inside the trigger code?
shruti27Asked:
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sonicefuCommented:
use the following to create and drop table in forms
forms_ddl(' create table ......');
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shruti27Author Commented:
oh great...this is def working :-)

just one more thing...how do i create a temporary session table through sql code.
using 'create table...' syntax it makes a normal table, while i need a temporary table for the application.

also is the syntax for dropping table also forms_ddl('drop table...'); ?
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sonicefuCommented:
* You can perform almost all DDL operations through forms_ddl.

*Yes,  You can create temporary table using this,
create global temporary table tableName (column1 (number), ......) on commit preserve rows;
 
* Yes you can drop table using forms_ddl('drop table tableName');
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shruti27Author Commented:
thanks a lot sonicefu.
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sonicefuCommented:
forms_ddl('CREATE GLOBAL TEMPORARY TABLE temp_emp_table as select *from emp ON COMMIT PRESERVE ROWS');
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